1404 Ajax

Infobox Planet | minorplanet = yes | width = 25em | bgcolour = #FFFFC0
name=1404 Ajax
discovery=yes
discovery_ref= [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html]
discoverer=Karl Wilhelm Reinmuth
discovered=August 18, 1936
designations = yes
alt_names=1936 QW
mp_category=Jupiter Trojan
orbit_ref= [ftp://ftp.lowell.edu/pub/elgb/astorb.html]
epoch=February 04, 2008 (JD 2454500.5)
semimajor=793.134 Gm (5.302 AU)
perihelion=702.599 Gm (4.697 AU)
aphelion=883.668 Gm (5.907 AU)
eccentricity=0.114
period=4458.921 d (12.21 a)
inclination=18.010°
asc_node=332.968°
arg_perihelion=59.523°
mean_anomaly=308.096°
avg_speed=12.89 km/s
physical_characteristics=yes
dimensions=81.6 km
mass=5.7e|17 kg
density=2.0 g/cm³
surface_grav=0.0228 m/s²
escape_velocity=0.0431 km/s
sidereal_day=? d
axial_tilt=?° | pole_ecliptic_lat=? | pole_ecliptic_lon=?
spectral_type=?
abs_magnitude=9.0
albedo=0.10
single_temperature=~121 K

1404 Ajax is a Jupiter trojan asteroid that orbits in the L₄ Lagrangian point of the Sun-Jupiter system, in the "Greek Camp" of Trojan asteroids. It was named after the Greek hero Ajax. It was discovered by Karl Wilhelm Reinmuth on August 18, 1936 in Heidelberg, Germany.

External links

* [http://cfa-www.harvard.edu/iau/lists/NumberedMPs.txt Discovery Circumstances: Numbered Minor Planets]
* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1404;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=1404 Ephemeris]